Mind reading: It's not just science fiction anymore
For those of us who have dreamed of "The Force" and fallen short of levitating a spaceship (or anything, for that matter), there are products hitting the market that are designed to be operated by mental power. Below is a demonstration of a Mattel toy that uses brainwaves to move foam balls around an obstacle course. More consumer products -- including games, electronics, medical devices and smart-phone apps -- will hit the market in the future.
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-- Shan Li